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Old 12 October 2016, 21:21   #1
Iznougoud
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PSU fan on Amiga 2000

I'm giving serious consideration to removing the PSU-fan on my A2000 entirely. I really can't see the need for it other than being painfully loud. But perhaps I'm wrong.

Any idea as to the consequenses of an A2000 running with no active fans whatsoever (heat generating internals would be, aside from the PSU, a 50MHz 68060 and a SCSI-II HDD)?
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Old 13 October 2016, 05:26   #2
mech
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Yes, you will eventually burn up the power supply. the fan not only cools the psu, it cools the motherboard as well as any zorro cards. You cannot eliminate it.

You can put a nice quiet fan in it though that you wont mind, Noctua nf-r8 will fit(please double check its 80MM-this is from my memory), its a good fan and very quiet but costs a few $$(14usd?) depending where you buy.
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Old 13 October 2016, 08:06   #3
Jope
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I also recommend swapping a more modern 12V fan in there. Don't run it without.
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Old 13 October 2016, 11:27   #4
Iznougoud
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In my experience the fan as such is only part of the problem. Being old technology, the Amiga 2000 (or any Amiga I gather) is somewhat lacking in fan control, manual or otherwise, so whatever fan I use will be running at its max rpm - hence my increasing desperation (this far I've tried two different "quiet" 80mm fans).

Still. If the fan can't be removed safely, it can't. And I'll just have to resort to some kind of plan B.

Thanks for your input.
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Old 13 October 2016, 11:30   #5
ajk
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You can slow down the fan yourself by adding a resistor, or a purpose-built fan speed controller. Although good fans should already be very quiet. If you want absolute silence then that's a different matter of course.
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Old 13 October 2016, 12:43   #6
idrougge
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There were fan controllers even when the A2000 was current. You just have to install one into your A2000.
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Old 13 October 2016, 15:47   #7
pandy71
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Quote:
Originally Posted by Iznougoud View Post
I'm giving serious consideration to removing the PSU-fan on my A2000 entirely. I really can't see the need for it other than being painfully loud. But perhaps I'm wrong.

Any idea as to the consequenses of an A2000 running with no active fans whatsoever (heat generating internals would be, aside from the PSU, a 50MHz 68060 and a SCSI-II HDD)?

Same as others - buy a silent fun eventually with some controller... it is cheaper replace noisy fan than fix broken Amiga...
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Old 13 October 2016, 22:46   #8
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i have use low rpm fan my A2000 BBS for years 1998-2002 online 24/7
after 10 years bearing start to make noise so i chance it 24v fan and run it for 12v
but then after 12years PSU gave up to many times so i chance
PSU whit ATX and there is heat control works fine no issues at all and no noise
A2000 030/50 works now 24/7 no heat problems
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